[Mono-list] "mscorlib.dll is an invalid CIL image"

[Chris Plasun]

> On Tue, 2009-04-28 at 19:28 -0700, Chris Plasun wrote:
> > > So what you _can_ do is build e.g. Mono 2.4 on openSUSE, Mono 2.4 on
> > > Linux/PPC, and copy the mscorlib.dll from your openSUSE build to
> > > Linux/PPC, but you cannot e.g. take an mscorlib.dll from Mono 2.0
> > > (openSUSE packaged version) and run it against a Mono 2.4 runtime.  The
> > > versions *must* be the same (and this is checked at program startup).
> > 
> > Yes, but I did run the same version (or so I think) version of mscorlib.dll.
> > 
> > Is the problem to with the fact that I took mscorlib.dll for SUSE and 
> > tried to use it on the PowerPC board?
> > 
> > I matched the version numbers (the directory names?).
> 
> That's not the version to match.  The directory names
> ($prefix/lib/mono/2.0/mscorlib.dll) contain the *profile* version, NOT
> the Mono version.  So both Mono 2.0 and Mono 2.4 will contain a
> $prefix/lib/mono/2.0/mscorlib.dll file, but you CANNOT use mscorlib.dll
> from Mono 2.4 with Mono 2.0 (and vice versa).
> 
> Thus, you can't use the directory names to determine version numbers,
> you have to know which Mono versions are involved.

Ah.


> Furthermore, based on the commands your contractor supposedly ran, your
> contractor built Mono 2.2.  This is not part of any openSUSE release;
> openSUSE 11.1 contains 2.0, while openSUSE 11.2 (in development) will
> likely contain Mono 2.4 or 2.6, so if you're trying to use the openSUSE
> distro-provided mscorlib.dll, it likely will not work.

That makes sense.

> > How can I concretely determine what version of mscorlib.dll I'm using? 
> > Lutz Reflector?
> 
> Know where you got the binary from.

There's no way to find out the version by reflection?

> The easiest way is to just build Mono yourself from source on all
> platforms, using the same tarball, thus ensuring that you have the same
> Mono version everywhere.

Yes, that's what I'm going to attempt... to learn how to attempt to at least this weekend. 
I went through a number of MAKE tutorials so that I can figure out what is going.

The problem is that this needs to be a cross compile. Should be fun.

My Mono enlightenment has moved up a little bit =)

Might have to bother you again later, thanks again Jonathan.

Chris Plasun